// File: contracts/DAOFactoryStore.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
import './interfaces/IDAOFactoryStore.sol';

contract DAOFactoryStore is IDAOFactoryStore, Context, Ownable {
    mapping(string => address) private _tokens;
    mapping(address => uint256) private _tokenVersion;
    mapping(address => bool) public override isFactory;

    address public override staking;

    modifier onlyFactory() {
        require(isFactory[_msgSender()], 'onlyFactory');
        _;
    }

    constructor(address _owner) Ownable() {
        transferOwnership(_owner);
    }

    function tokens(string memory _daoID) external view override returns (address token, uint256 version) {
        token = _tokens[_daoID];
        version = _tokenVersion[token];
    }

    function addToken(
        string memory _daoId,
        address token,
        uint256 version
    ) external override onlyFactory {
        _tokens[_daoId] = token;
        _tokenVersion[token] = version;
        emit AddToken(_msgSender(), _daoId, token, version);
    }

    function setStaking(address _staking) external override onlyOwner {
        require(_staking != address(0), 'ICPDAO: _staking INVALID');
        staking = _staking;
    }

    function addFactory(address _factory) external override onlyOwner {
        isFactory[_factory] = true;
        emit AddFactory(_factory);
    }

    function removeFactory(address _factory) external override onlyOwner {
        isFactory[_factory] = false;
        emit RemoveFactory(_factory);
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: contracts/interfaces/IDAOFactoryStore.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

interface IDAOFactoryStore {
    event AddFactory(address _factory);
    event RemoveFactory(address _factory);
    event AddToken(address _factory, string _daoID, address _token, uint256 version);

    function tokens(string memory _daoID) external view returns (address token, uint256 version);

    function isFactory(address addr) external view returns (bool);

    function staking() external view returns (address);

    function addToken(
        string memory _daoId,
        address token,
        uint256 version
    ) external;

    function setStaking(address _staking) external;

    function addFactory(address _factory) external;

    function removeFactory(address _factory) external;
}